Maxima Grooved Receiver rings are model specific. Made of solid steel, a vertically split ring that handles even the most punishing recoil or large, heavy scopes.
Specifications:

Type	Dovetail
Tube Diameter	30mm
Height	Medium
Size	.425"
Finish	Black Matte
Style	Fixed
Material	Steel
Style Description
One or Two Piece	2
Adaptor Type
Mount Type	Dovetail
Lock Type